eli5 : is there a limit to the number of trans-uranium elements that can be in the periodic table?

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Someone told me that there is a limit to the number of trans uranium elements that can be in the periodic table. His reasoning was that when the number of electrons for an element gets big enough, the electrons in the outer shell will be so far out that they will have to travel faster than the speed of light to orbit the nucleus. Could he be right?

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Anonymous 0 Comments

That’s not a great argument, because electrons don’t have well-defined locations and speeds, and they don’t “orbit” their nuclei in a way that you can calculate an orbital velocity.

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